[#MUI-35] Refonte du composant drawer #49
@@ -263,4 +263,48 @@ describe('MalioDrawer', () => {
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wrapper.unmount()
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trigger.remove()
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})
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it('moves focus to the close button on open (default showClose)', async () => {
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const wrapper = mount(DrawerForTest, {
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props: { modelValue: false, showClose: true },
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attachTo: document.body,
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global: { stubs: { Teleport: true } },
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})
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await wrapper.setProps({ modelValue: true })
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await wrapper.vm.$nextTick()
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expect(document.activeElement).toBe(wrapper.find('[data-test="close-button"]').element)
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wrapper.unmount()
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})
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it('wraps focus to the first element when Tab is pressed on the last element', async () => {
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const wrapper = mount(DrawerForTest, {
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props: { modelValue: true, showClose: false },
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slots: { default: '<button data-test="btn1">First</button><button data-test="btn2">Last</button>' },
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attachTo: document.body,
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global: { stubs: { Teleport: true } },
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})
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await wrapper.vm.$nextTick()
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const last = wrapper.find('[data-test="btn2"]').element as HTMLElement
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last.focus()
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expect(document.activeElement).toBe(last)
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await wrapper.find('[data-test="panel"]').trigger('keydown', { key: 'Tab' })
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expect(document.activeElement).toBe(wrapper.find('[data-test="btn1"]').element)
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wrapper.unmount()
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})
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it('wraps focus to the last element when Shift+Tab is pressed on the first element', async () => {
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const wrapper = mount(DrawerForTest, {
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props: { modelValue: true, showClose: false },
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slots: { default: '<button data-test="btn1">First</button><button data-test="btn2">Last</button>' },
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attachTo: document.body,
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global: { stubs: { Teleport: true } },
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})
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await wrapper.vm.$nextTick()
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const first = wrapper.find('[data-test="btn1"]').element as HTMLElement
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first.focus()
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expect(document.activeElement).toBe(first)
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await wrapper.find('[data-test="panel"]').trigger('keydown', { key: 'Tab', shiftKey: true })
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expect(document.activeElement).toBe(wrapper.find('[data-test="btn2"]').element)
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wrapper.unmount()
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})
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})
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@@ -95,6 +95,9 @@ import { twMerge } from 'tailwind-merge'
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defineOptions({ name: 'MalioDrawer', inheritAttrs: false })
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// Module-level counter shared across all drawer instances to support stacked drawers.
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let openDrawerCount = 0
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const props = withDefaults(
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defineProps<{
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id?: string
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@@ -150,18 +153,26 @@ const isRendered = ref(isOpen.value)
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const panelRef = ref<HTMLElement | null>(null)
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let previouslyFocused: HTMLElement | null = null
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// Per-instance flag: true while this drawer holds a scroll-lock count slot.
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let lockedByThisInstance = false
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function getFocusable(container: HTMLElement): HTMLElement[] {
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return Array.from(
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container.querySelectorAll<HTMLElement>(
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'a[href], button:not([disabled]), textarea:not([disabled]), input:not([disabled]), select:not([disabled]), [tabindex]:not([tabindex="-1"])',
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'a[href], button:not([disabled]), textarea:not([disabled]), input:not([disabled]), select:not([disabled]), [tabindex]:not([tabindex="-1"]), [contenteditable]:not([contenteditable="false"])',
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),
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).filter((el) => el.tabIndex !== -1)
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}
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function onOpen() {
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previouslyFocused = (document.activeElement as HTMLElement | null) ?? null
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document.body.style.overflow = 'hidden'
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if (!lockedByThisInstance) {
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lockedByThisInstance = true
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openDrawerCount++
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if (openDrawerCount === 1) {
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document.body.style.overflow = 'hidden'
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}
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}
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nextTick(() => {
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const panel = panelRef.value
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if (!panel) return
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@@ -171,7 +182,13 @@ function onOpen() {
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}
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function onClose() {
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document.body.style.overflow = ''
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if (lockedByThisInstance) {
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lockedByThisInstance = false
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openDrawerCount = Math.max(0, openDrawerCount - 1)
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if (openDrawerCount === 0) {
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document.body.style.overflow = ''
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}
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}
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previouslyFocused?.focus?.()
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previouslyFocused = null
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}
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@@ -191,7 +208,14 @@ onMounted(() => {
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})
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onBeforeUnmount(() => {
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document.body.style.overflow = ''
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// If this instance is still holding a scroll-lock slot, release it.
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if (lockedByThisInstance) {
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lockedByThisInstance = false
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openDrawerCount = Math.max(0, openDrawerCount - 1)
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if (openDrawerCount === 0) {
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document.body.style.overflow = ''
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}
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}
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})
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function onBackdropClick() {
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